Upconversion luminescence of colloidal solution of Y2O3 nano-particles doped with trivalent rare-earth ions

被引：29

作者：

Matsuura, Daisuke ^{[1
]}

Ikeuchi, Tatsuya ^{[1
]}

Soga, Kohei ^{[2
]}

机构：

[1] Dai Nippon Printing Co Ltd, Ctr Res & Dev, Kashiwa, Chiba 2770871, Japan

[2] Tokyo Univ Sci, Dept Mat Sci & Technol, Noda, Chiba 2788510, Japan

来源：

JOURNAL OF LUMINESCENCE | 2008年 / 128卷 / 08期

关键词：

upconversion luminescence; colloidal solution; nano-particle;

D O I：

10.1016/j.jlumin.2007.12.024

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We have studied upconversion luminescence of colloidal solution of Y2O3 nano-particles codoped with 1 mol% Er3+ and 5 mol% Yb3+. Y2O3 nano-particles codoped with 1 mol% Er3+ and 5 mol% Yb3+ show sintering and agglomeration, because they are synthesized by firing a hydroxy carbonate precursor. Colloidal solution of Y2O3 nano-particles codoped with 1 mol% Er3+ and 5 mol% Yb3+ is prepared through two-step dispersion process and the average diameter of the primary nano-particles is about 50nm. Under excitation with 980-nm laser diode, upconversion luminescence of colloidal solution of the primary Y2O3 nano-particles codoped with 1 mol% Er3+ and 5 mol% Yb3+ in methyl isobuthyl ketone strongly appeared near 660 nm and weakly near 550 nm. (c) 2007 Elsevier B.V. All rights reserved.

引用

页码：1267 / 1270

页数：4

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